Bird Model 43 Wattmeter
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The Bird 43 is normally supplied with Quick-Change Female N type
connectors. Other Bird “QC” connectors are available, refer to the
Replacement Parts List in the Maintenance Chapter. Quick-Change
connectors can be replaced by removing the 8-32 screw at each corner
of the connector and then pulling it straight outward. Install the new
connector by reversing this procedure.
Remote Installation
The RF line section can be removed from the meter housing for remote
installation. To do so:
1. Unscrew the four 8-32 flat head screws securing the back cover.
2. Grasp the back cover by the side tabs behind the line connectors
and pull straight back to remove it.
3. Remove the two 10-32 oval screws on the front of the housing.
4. Slide the line section out of the housing. Do not loosen the two oval
screws on the sides of the housing in line with the meter. These
hold the shock ring in place.
5. Replace the cable attaching the line section to the meter with one
of sufficient length to complete the remote installation.
6. To replace the RF line section, reverse these steps.
In some systems it may be desirable to have two or more line sections
permanently installed. In this case, one set of elements and one meter
can be used to measure several separate RF transmission lines.
Additional RF line sections are available.
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